Perhaps you should try some spelling variations:
thieu nien » thien nhien
hieu vien » hieu hien, hieu tieng, nhieu viec
hieu viec » nhieu viec, hieu ve, sieu viet
cong cua » cong cu, dong cua, huong cua
anh cong » hanh cong, anh dong, thanh cong
cac luc » cau luc, coc luc, cac nuoc
nang xa » nang x, lang xa, nang ma
tu sai » tu bai, tu san, tu cai
va anh » van anh, va danh, va hanh
luc va » duc va, tuc va, loc va
sai ky » sac ky
cua cu » cua chu, cua cau, cua su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. ((((hieu vien) OR (thieu nien))) or (hieu viec)) cac luc va anh cong cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. ((((hieu vien) OR (thieu nien))) OR (hieu viec)) cac luc va anh cong cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. ((((hieu vien) OR (thieu nien))) or (hieu viec)) cac luc va anh cong cua cu".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. ((((hieu vien) OR (thieu nien))) or (hieu viec)) cac luc va anh cong cua cu*.